Revert "Revert "Use native async/await support in pub.""

sdk/lib/_internal/pub_generated/lib/src/command/global_list.dart

Index: sdk/lib/_internal/pub_generated/lib/src/command/global_list.dart
diff --git a/sdk/lib/_internal/pub_generated/lib/src/command/global_list.dart b/sdk/lib/_internal/pub_generated/lib/src/command/global_list.dart
deleted file mode 100644
index 1de107305dbfa8e454fba65f9193723d033953d7..0000000000000000000000000000000000000000
--- a/sdk/lib/_internal/pub_generated/lib/src/command/global_list.dart
+++ /dev/null
@@ -1,22 +0,0 @@
-// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-library pub.command.global_list;
-
-import 'dart:async';
-
-import '../command.dart';
-
-/// Handles the `global list` pub command.
-class GlobalListCommand extends PubCommand {
-  String get name => "list";
-  String get description => 'List globally activated packages.';
-  String get invocation => 'pub global list';
-  bool get allowTrailingOptions => false;
-  bool get takesArguments => false;
-
-  void run() {
-    globals.listActivePackages();
-  }
-}